CONVERTING METHOD FOR SPATIAL DATABASE AND PROCESSING METHOD FOR USER QUERY TO THE CONVERTED SPATIAL DATABASE

摘要

embodiments of the present invention to protect against attackers converting a spatial database for storing spatial information relates to , the user relates to a method of providing an environment in which to search for and access to the converted spatial database . The owner of the data to build a database conversion result for protecting the source database , the user can be carried out with respect to the conversion to the source database, the database query . ;